diff options
Diffstat (limited to 'Build/source/libs/icu/icu-49.1/layout/ClassDefinitionTables.cpp')
-rw-r--r-- | Build/source/libs/icu/icu-49.1/layout/ClassDefinitionTables.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-49.1/layout/ClassDefinitionTables.cpp b/Build/source/libs/icu/icu-49.1/layout/ClassDefinitionTables.cpp new file mode 100644 index 00000000000..471a2b3e1b2 --- /dev/null +++ b/Build/source/libs/icu/icu-49.1/layout/ClassDefinitionTables.cpp @@ -0,0 +1,120 @@ +/* + * + * (C) Copyright IBM Corp. 1998-2010 - All Rights Reserved + * + */ + +#include "LETypes.h" +#include "OpenTypeTables.h" +#include "OpenTypeUtilities.h" +#include "ClassDefinitionTables.h" +#include "LESwaps.h" + +U_NAMESPACE_BEGIN + +le_int32 ClassDefinitionTable::getGlyphClass(LEGlyphID glyphID) const +{ + switch(SWAPW(classFormat)) { + case 0: + return 0; + + case 1: + { + const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this; + + return f1Table->getGlyphClass(glyphID); + } + + case 2: + { + const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this; + + return f2Table->getGlyphClass(glyphID); + } + + default: + return 0; + } +} + +le_bool ClassDefinitionTable::hasGlyphClass(le_int32 glyphClass) const +{ + switch(SWAPW(classFormat)) { + case 0: + return 0; + + case 1: + { + const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this; + + return f1Table->hasGlyphClass(glyphClass); + } + + case 2: + { + const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this; + + return f2Table->hasGlyphClass(glyphClass); + } + + default: + return 0; + } +} + +le_int32 ClassDefFormat1Table::getGlyphClass(LEGlyphID glyphID) const +{ + TTGlyphID ttGlyphID = (TTGlyphID) LE_GET_GLYPH(glyphID); + TTGlyphID firstGlyph = SWAPW(startGlyph); + TTGlyphID lastGlyph = firstGlyph + SWAPW(glyphCount); + + if (ttGlyphID >= firstGlyph && ttGlyphID < lastGlyph) { + return SWAPW(classValueArray[ttGlyphID - firstGlyph]); + } + + return 0; +} + +le_bool ClassDefFormat1Table::hasGlyphClass(le_int32 glyphClass) const +{ + le_uint16 count = SWAPW(glyphCount); + int i; + + for (i = 0; i < count; i += 1) { + if (SWAPW(classValueArray[i]) == glyphClass) { + return TRUE; + } + } + + return FALSE; +} + +le_int32 ClassDefFormat2Table::getGlyphClass(LEGlyphID glyphID) const +{ + TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(glyphID); + le_uint16 rangeCount = SWAPW(classRangeCount); + le_int32 rangeIndex = + OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArray, rangeCount); + + if (rangeIndex < 0) { + return 0; + } + + return SWAPW(classRangeRecordArray[rangeIndex].rangeValue); +} + +le_bool ClassDefFormat2Table::hasGlyphClass(le_int32 glyphClass) const +{ + le_uint16 rangeCount = SWAPW(classRangeCount); + int i; + + for (i = 0; i < rangeCount; i += 1) { + if (SWAPW(classRangeRecordArray[i].rangeValue) == glyphClass) { + return TRUE; + } + } + + return FALSE; +} + +U_NAMESPACE_END |